To structure this portion of the note, you can use another mnemonic: OLD CHARTS, as in what would you find if you looked at the patient's old chart. 1  Onset. 2  Location. 3  Duration. 4  CHaracter (sharp, dull, etc) 5  Alleviating/Aggravating factors. 6  Radiation. 7  Temporal pattern (every morning, all day, etc) 8  Symptoms associated.
Rat urine poses such a significant health risk that Abolish Pest Control recommends the use of biohazard suits, complete with gloves and respirators, when removing it. Waste removal experts focus on attics as the main nesting area, using vacuum cleaners equipped with special filters.
Urea serves an important role in the metabolism of nitrogen-containing compounds by animals, and is the main nitrogen-containing substance in the urine of mammals.It is colorless, odorless solid, highly soluble in water, and practically non-toxic (LD50 is 15 g/kg for rats).rea serves an important role in the metabolism of nitrogen-containing compounds by animals, and is the main nitrogen-containing substance in the urine of mammals.